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Quloos MC01/MC01se Portable USB DAC/AMP
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The so-called "pursuit of details in small size" In spite of small size, high-density and thick sound can also be offered
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| Three Power Filters Optional |
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| | Ultralow Noise&Ultrahigh PSRR |
| | | Ultralow Noise&Ultrahigh PSRR |
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| Ultralow Jitter Crystal RMS Jitter 150fs |
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| | Philips Electrolytic Capacitor @MC01se |
| | | Panasonic Film Capacitor |
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| Dual Flagship CS43131 DAC Chips |
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| | High-Power Amplification Chips |
| | | 100 Steps Separate Volume Control |
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| Advanced 2x6 Layers of PCB Design |
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| | Low-Power MCU Management |
| | | Powerful Output |
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| THD+N 0.0001X%@Balanced |
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| | Dynamic Range 131dB@Balanced |
| | | S/N 131dB@Balanced |
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| Ultra-low Noise Floor |
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| | Support DSD256 |
| | | PCM 32Bit / 384kHz |
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| Switch UAC1.0 Model |
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| | Multi-OS Supported |
| | | OLED Display Screen |
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| 4.4 Balanced Socket From Pentaconn Japan |
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| | MC01-3.5mm Single- Ended+4.4mm Balanced |
| | | MC01se-3.5mm Enhance Single-Ended |
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How to choose the versions |
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- MC01 for balanced port earphones.
- MC01se for single-end earphones.
- For both balanced and single-end earphones.
- MC01 can be achievable in most cases.
- Both MC01 and MC01se are recommended for users who are used to single-end, and have rich listening experience.
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Design idea |
- MC01 provides both 3.5mm single-end and 4.4mm balanced headphone outputs. It utilizes only half of the dual decoding chips for the 3.5mm single-end output.
- The balanced port of MC01se has been cancelled. With the parallel output of two DACs, the 3.5mm single-ended output can be served by both DAC in four ways. Also without the balanced output, there is more room to optimize the single-ended sounds.
- To make the single-ended sounds convey a higher sense of depth and stereo perception, the gain of MC01se headphone amplifier has been triply increased. However, signal amplification will simultaneously increase distortion and noise, so the test parameters showed a bit poor.
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Style of sounds |
- The previous prototype is similar to QA361 regarding the style of sound, focusing on a sense of depth, the transparency and clarity of sounds.
- The apparatus finally put into mass production enhanced the atmosphere with higher sound density. Sound tends to be relaxing and generous like those of QA360LE based on the sound tunings of QA361. But in terms of imaging, it is a bit like those good-quality magnetic tape devices in early days and conveys a sense of heaviness and solidity.
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Power supply is the origin of sound |
Three power filters optional |
- In order to secure pleasant sounds provided by MC01 with all of the devices equipped, a triple LDO (with triple power filtering settings) is optional on the menu designed for the power supply on key position. Theoretically, it can achieve a high PSRR, up to hundreds of dB.
- Low-noise LDO chips, such as LT3042 and ADM7170.
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Clock is the essence of sound |
A good crystal oscillator produces a stable sound |
In order to produce a more accurate sound, the audio crystal oscillator of MC01 has been selected among dozens of models/brands. Finally, the high-precision femtosecond crystal oscillator with only 150fs of nominal jitter has been used. |
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Measurement based on the audio analyzer APX555 |
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The adjustment of sound style is the basis of sounds |
The final sound effect depends on the adjustment of tunings |
After the sound tunings determined, most of the electronic components used inside have been reselected based on performance and sound, to confirm the brand, model and parameter. |
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Compatible with multiple devices |
MC01 supports Android smartphone and PC, iPhone and Ipad, computers installed with Mac or Windows, Switch and many other Hi-Fi music players with USB OTG outputs. |
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Dual flagship DAC chips |
MC01 has lower distortion than the theoretical value DAC given |
With two flagship CS43131 chips, MC01 provides better sound quality. |
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Measurement based on the audio analyzer APX555 |
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Flagship dynamics |
With the background noise reduced to as low as 1.2uVrms at the balanced output and the SNR up to 131dB, the background noise can hardly be heard even if it is connected to any earphone with high sensitive.
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Measurement based on the audio analyzer APX555 |
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Design goals |
Favorable parameters and better sound! |
Try to be irreplaceable in terms of audio impression (And this is the key of product value)
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Introduction of buttons and interfaces |
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Display content |
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Game experience |
Precise sound localization plays a vital roles when playing |
In games, except for the experience of images and high-speed, sounds also play a very important role. It will bring such a game experience that sounds are in sync with pictures and the footsteps. |
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Product parameters |
| MC01 | MC01se | 4.4mm Balanced | 3.5mm Single-Ended | 3.5mm Single-Ended | Net Weight | 25.4g | 24.6g | Dimension | 62.0(L) x 22.0(W) x 13.5(H)mm | Chassis | CNC Aluminum | USB Port | Typc-C USB Audio Input | HP Port | 4.4mm Balanced + 3.5mm Single-Ended | 3.5mm Single-Ended | Control | Volume +/-, High/Low Gain, 3 kinds Power Filters, 5 kinds Digital Filters | DSD Decoding | 2.8224MHz (DSD64), 5.6448MHz (DSD128), 11.2896MHz (DSD256), Native or DoP | PCM Decoding | 16 / 24 / 32Bit, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz | USB OS | UAC2.0 / UAC1.0---Windows,MacOS,Android,iOS,ipadOS | DAC Chips | Dual Flagship CS43131,QFN package | AMP Chips | High-Power AMP Chips x 2 | High-Power AMP Chips x 1 | Gain setting | Menu setting: High / Low | Power consumption (Vol 50, 16bit 44.1kHz) | 5V 105mA@3.5mm,5V 115mA@4.4mm,Add 4mA to P-High ,Add 3mA again to P-Highest | Freq.Response | 20Hz - 20kHz ±0.5dB | THD+N (Unweighted, no load) | 0.00012% | 0.0002% | 0.0003% | SINAD (Unweighted, no load) | 118dB | 114dB | 110dB | SNR (A-Weighted) | 131dB | 118dB | 117dB | Dynamic Range(A-Weighted) | 131dB | 118dB | 117dB | Crosstalk(no load) | -141dB | -131dB | -126dB | Crosstalk(32ohm) | -92dB | -72dB | -72dB | Lineout Level (±0.1V)(Vol:100) | 4.0Vrms (High) 1.4Vrms (Low) | 2.0Vrms (High) 0.7Vrms (Low) | 2.0Vrms (High) 0.7Vrms (Low) | Max Output | 260mW@32ohm 54mW@300ohm | 130mW@32ohm | 130mW@32ohm | Noise Floor (A-Weighted) | 1.2uV | 2.4uV | 3uV |
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Accessories: USB C to C cable, Lightning to C cable, USB A to C adapter, User Manual.
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We will send good by Registered Air Mail , about need 15-30 working days for the rest of the world, and we will send Tracking Numbe for you, and we will declare the sending for gift with a low value(For example: USD $50.00), to reduction reciever side to pay tax or try to avoid reciever side to pay tax. |
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